254438043394 has 8 divisors (see below), whose sum is σ = 387032516928. Its totient is φ = 125427204420.

The previous prime is 254438043289. The next prime is 254438043403. The reversal of 254438043394 is 493340834452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895908462 + ... + 895908745.

It is an arithmetic number, because the mean of its divisors is an integer number (48379064616).

Almost surely, 2^254438043394 is an apocalyptic number.

254438043394 is a deficient number, since it is larger than the sum of its proper divisors (132594473534).

254438043394 is a wasteful number, since it uses less digits than its factorization.

254438043394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791817280.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 254438043394 in words is "two hundred fifty-four billion, four hundred thirty-eight million, forty-three thousand, three hundred ninety-four".